Cervical vertebra back way door opening plate machining process

A processing technology and door panel technology, which is applied in the field of medical devices, can solve problems such as internal tissue damage and tissue damage risks, and achieve the effects of reducing the unqualified rate, improving the company's benefits, and reducing manufacturing costs

Active Publication Date: 2018-03-20
CHANGZHOU ORTHMED MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Among them, the bending forming process has great risks in processing, such as image 3 As shown in , there are two bending points on the cervical posterior door opening plate: bending point 1 and bending point 2. At the bending point, the internal tissue of the material is at a great risk of being destroyed. Through professional testing methods, the products produced At least 30% are unqualified products, the main reason is the damage to the internal organization caused by bending and stamping

Method used

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  • Cervical vertebra back way door opening plate machining process
  • Cervical vertebra back way door opening plate machining process
  • Cervical vertebra back way door opening plate machining process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as Figure 4 with Figure 5 As shown, a process for processing the posterior cervical door opening plate of the present invention, prepares materials:

[0038] Titanium rods with a diameter of φ16~φ20 are selected for the blank, and the length is between 2 meters and 3 meters, where the mass percentage of Ti is ≥98.71%. The length of the titanium rod is much longer than the length of the door opening plate, because the titanium rod protrudes during product processing. The part is shorter, and the product processing rigidity is better guaranteed;

[0039] In this embodiment, the blank is a rod (φ16~φ20)×(2000-3000) / (80-100), that is, the diameter of the polished rod is 16mm-20mm, and the length is 2-3 meters. A total of 80-100 pieces of finished door opening panels are produced ;

[0040] Turning center: the blank titanium rod is clamped by a jacket with a diameter matching the titanium rod, and fixed on the turning center, and then the blank is divided into three sectio...

Embodiment 2

[0068] The difference between this embodiment and the first embodiment lies in the different selected parameters. Such as Figure 4 with Figure 5 As shown, a process for processing a posterior cervical door opening plate of the present invention. Material preparation: a titanium rod with a diameter of φ16~φ20 is selected as the blank, and the length is between 2 meters and 3 meters, where the mass percentage of Ti is ≥98.71%. The length of the rod is much longer than the length of the door opening plate. Due to the short extension of the titanium rod during product processing, the rigidity of the product is better guaranteed;

[0069] In this embodiment, the blank is a polished rod φ16×3000 / 100, that is, the polished rod has a diameter of 16mm and a length of 3 meters, and a total of 100 pieces are produced;

[0070] Turning center: Use a jacket with a diameter of φ16.2 to clamp the blank titanium rod and fix it on the turning center, and then divide the blank into three sections...

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Abstract

The invention provides a cervical vertebra back way door opening plate machining process. The cervical vertebra back way door opening plate machining process comprises the steps of material preparation, turning center, linear cutting and cleaning. Products are once molded through machining by the turning center; a step of molding through bending is saved compared with a traditional process; the internal structures of product materials cannot be damaged, so that the reject ratio is greatly reduced; and once machining is adopted, so that more process equipment demands are saved, and the manufacturing cost is greatly reduced.

Description

Technical field [0001] The invention relates to the technical field of medical devices, in particular to a processing technique of a posterior cervical door opening plate. Background technique [0002] Laminoplasty as an emerging surgery for the treatment of spinal stenosis has become an excellent operation for the treatment of this disease. At present, foreign medical device manufacturers in the market have already launched such products and devices, and domestic brands have successively launched laminoplasty. The product. [0003] However, due to the complex appearance of the product, the processing is extremely difficult, especially the damage to the surface quality of the product and the internal material organization of the product is not properly controlled, and the product quality cannot be guaranteed. [0004] The traditional manufacturing process of the posterior cervical door opening plate is: [0005] Material preparation: prepare 44×30×0.8 / 4 pieces according to the length...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00A61B17/70
CPCA61B17/7062B23P15/00
Inventor 王明
Owner CHANGZHOU ORTHMED MEDICAL INSTR
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